If you find the material on this website useful, you will find that the two books ACES for PACES and KEYS to SUCCESS in Medicine complement the material on these sites and will enhance your studying and revision

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ACES for PACES

Medical Revision

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Web ydr.org.uk acesforpaces.com medicalrevision.org

BOF: 21

Which of the following describes the action of endothelin?

a) Potent vasoconstrictor

b) Natriuretic

c)  Inhibits secretion of renin and angiotensin

d) Relaxes vascular smooth muscle

e) Increases extracellular fluid volume

Answer :a)

Endothelin

ü  Peptide produced by a variety of tissues

ü  Potent vasoconstrictor

ü  Mitogenic activation of myocardial and vascular smooth muscle cells

Revision Tip

Revise heart failure with special emphasis on pathophysiology KEYS to SUCCESS in Medicine page 103-107

 

 

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